Octopus belongs to marine mollusks. It is flat in nature, sweet and salty in taste, and enters the liver meridian, spleen meridian and kidney meridian. It is rich in nutrients such as protein, carbohydrates, vitamin E and calcium, as well as trace elements such as magnesium, iron, zinc, selenium and copper, which can be eaten by ordinary people. It also contains thiamine, nicotinic acid, riboflavin and other vitamins. These nutrients are beneficial to human body.